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小波的MATLAT程序，调试过，没问题！(Wavelet MATLAT procedures, debugged, no problem!)

这5个源程序均用于matlab编程，且都是在matlab环境下运行成功的代码。(This 5 source are used for matlab programming, and are run under matlab environment, the success of the code.)

基于图像预处理的DCT数字水印算法及其MATLAB实现,作者：QQ 64134703 ，电子毕业设计，欢迎咨询 (DCT-based image preprocessing for digital watermarking algorithm and MATLAB implementation of: QQ 64134703, e-graduate design, please consult)

连续LTI系统的时域分析连续时间系统的单位冲激响应、单位阶跃响应在线性系统分析中的作用、地位及其MATLAB实现(Lti system for the time domain analysis)

说明：  时频分析（GUI），非常适合观察研究非平稳信号的时频特性(Time-Frequency Analysis)

动态神经网络序列预测研究—基于matlab的NAXR实现(Sequence prediction research dynamic neural network based on matlab NAXR implementation)

说明：  高斯序列、衰减正弦序列长生的子程序以及频拓分析主程序(Gaussian sequence, the attenuation sine sequence and frequency extension routines longevity of the main program)

无迹卡尔曼滤波算法用matlab实现。分别计算出观测值和卡尔曼滤波值进行对比。(Unscented Kalman filter algorithm using matlab implementation. Observed values were calculated values were compared and Kalman filtering.)

英文版，MATLAB，主要解决数学应用方面的问题，数学系同学的必备资料(English, MATLAB, mainly to solve mathematical application problems, the essential information Mathematics students)

substitution cipher is the method of encoding in which unit of plain text are replaced by cipher text. Monoalphabetic cipher uses a fixed message over entire message.A monoalphabetic cipher uses fixed substitution over the entire message.The monoalphabetic substitution takes a letter of an alphabet and substitutes it with another letter, this way a ciphertext is generated. The way of converting is fixed. A character of the plaintext will be replaced by the same ciphertext character, during the entire ciphertext. There is no additional key. The only way of security is to keep the substitution-table secret. A popular example for the monoalphabetic substitution is the caesar cipher.